1--TEST-- 2Test chop() function : basic functionality 3--FILE-- 4<?php 5/* Prototype : string chop ( string $str [, string $charlist] ) 6 * Description: Strip whitespace (or other characters) from the end of a string 7 * Source code: ext/standard/string.c 8*/ 9 10/* 11 * Testing chop(): basic functionality 12*/ 13 14echo "*** Testing chop() : basic functionality ***\n"; 15 16// Initialize all required variables 17$str = "hello world\t\n\r\0\x0B "; 18$charlist = 'dl '; 19 20// Calling chop() with default arguments 21var_dump( chop($str) ); 22 23// Calling chop() with all arguments 24var_dump( chop($str, $charlist) ); 25 26// Calling chop() with the charlist not present at the end of input string 27var_dump( chop($str, '!') ); 28 29echo "Done\n"; 30?> 31--EXPECT-- 32*** Testing chop() : basic functionality *** 33string(11) "hello world" 34string(16) "hello world 35 35" 36string(18) "hello world 37 37 " 38Done 39